Affiliation: | 1. Department of Neurology, The Adelaide and Meath Hospital Dublin incorporating the National Children's Hospital, Trinity College Dublin, , Dublin, Ireland;2. Department of Vascular Surgery, The Adelaide and Meath Hospital Dublin incorporating the National Children's Hospital, Trinity College Dublin, , Dublin, Ireland;3. Department of Age‐Related Health Care, The Adelaide and Meath Hospital Dublin incorporating the National Children's Hospital, Trinity College Dublin, , Dublin, Ireland;4. Stroke Service, The Adelaide and Meath Hospital Dublin incorporating the National Children's Hospital, Trinity College Dublin, , Dublin, Ireland;5. Department of Medicine for the Elderly/Stroke Service, St James Hospital, Trinity College Dublin, , Dublin, Ireland;6. Department of Vascular Surgery, St James Hospital, Trinity College Dublin, , Dublin, Ireland;7. Department of Neurology, St James Hospital, Trinity College Dublin, , Dublin, Ireland;8. Department of Medicine (Neurology), University of Alberta, University of Calgary, , Calgary, AB, Canada;9. Department of Molecular and Cellular Therapeutics, Royal College of Surgeons in Ireland, , Dublin, Ireland;10. University Department of Surgery, Royal Free Hampstead NHS Trust, , London, UK;11. Department of Clinical Neurosciences, Royal Free Campus UCL Institute of Neurology, , London, UK |